Specification
VX 110 VX 150 VX 199
CSA Input (Natural Gas or Propane) -
MBH
16.9-110 23-150 30.6-199
CSA Input (Natural Gas or Propane) -
kW
5-32.2 6.7-44 8.8-58.3
CSA Output - MBH 16.2-101.5 22-138.5 29.2-183.7
CSA Output - kW 4.74-29.8 6.5-40.6 8.6-53.8
AFUE (to be confirmed) 95% 95% 95%
Minimum gas supply pressure (natural
gas or propane) - inch w.c.
4 4 4
Maximum gas supply pressure (natural
gas or propane) - inch w.c.
14 14 14
Ambient temperature:
Low °F / °C /
High °F / °C
32°F / 0°C
122°F / 50°C
32°F / 0°C
122°F / 50°C
32°F / 0°C
122°F / 50°C
Max. relative humidity (non-condensing) 90% 90% 90%
Minimum water temp. °F / °C 34 / 1 34 / 1 34 / 1
Maximum water temp. (electronic hi-
limit) °F / °C
190 / 88 190 / 88 190 / 88
Max. ΔT - supply/return (electronic
fence) °F / °C
40 / 22.2 40 / 22.2 40 / 22.2
Max. water temperature lockout limit °F
/ °C
201 / 94 201 / 94 201 / 94
Power use (120Vac/60Hz) @ full fire -
Watts (without pumps)
90 79 90
Weight (empty) - lbs/Kg 67 / 30.4 78 / 35.4 88 / 39.9
Pressure vessel water content -
USG/Liters
1.88 / 7.12 2.79 / 10.56 3.51 / 13.29
Maximum boiler flow rate - USgpm 14 19 25
Minimum boiler flow rate - USgpm 2 3 4
Maximum operating water pressure* -
psig
50 50 50
Minimum water pressure - psig 8 8 8
Relief valve pressure (supplied) - psig 30 30 30